But let us not forget about a more "long-in-the-tooth" father of fulfillment. One of the original thought leaders on how to think big, dream bigger, and accomplish more than you thought possible: Sir Richard Branson.

The founder of Virgin (a.k.a. the original Elon Musk) regularly shares his top ten inspiring quotes on a variety of topics through his Virgin blog. Here are his favorites (from four separate blog entries) focused on helping you achieve all that you were meant to.

7. Life's challenges are not supposed to paralyze you, They're supposed to help you discover who you are. - Bernice Johnson Reagon

6. It's lack of faith that makes people afraid of meeting challenges, and I believed in myself. - Muhammad Ali

5. Together we can face any challenges as deep as the ocean and as high as the sky. - Sonia Gandhi

4. Life is either a daring adventure or nothing at all. - Helen Keller

3. Being challenged in life is inevitable, being defeated is optional. - Roger Crawford

2. Find a group of people who challenge and inspire you, spend a lot of time with them, and it will change your life. - Amy Poehler

1. The ultimate measure of a man is not where he stands in moments of comfort and convenience, but where he stands at times of challenge and controversy. - Martin Luther King, Jr.

Pushing Boundaries

10. "The sky is not my limit... I am." - T.F. Hodge

9. "A planet is the cradle of mind, but one cannot live in a cradle forever." - Konstantin Tsiolkovsky

8. "The number of ways to live in one lifetime is limitless. So why limit yourself?" - Suzy Kassem

7. "Dreams have always expanded our understanding of reality by challenging our boundaries of the real, of the possible." - Henry Reed

6. "When they say you can't, they show you their limits, not yours." - Kevin Keenoo

5. "The human spirit is like an elastic band. The more you stretch, the greater your capacity." - Bidemi Mark-Mordi

4. "There are no limitations to the mind except those that we acknowledge." - Napoleon Hill

3. "The finite mind tries to limit the infinite." - Toba Beta

2. "The only limits in your life are those that you set yourself." - Celestine Chua

1. "We cannot become what we want to be by remaining what we are." - Max DePree

Dreams

10. "It may be that those who do most, dream most." - Stephen Leacock9. "Do not follow where the path may lead. Go instead where there is no path and leave a trail." - Ralph Waldo Emerson

8. "Be willing to be uncomfortable. Be comfortable being uncomfortable. It may get tough, but it's a small price to pay for living a dream." - Peter McWilliams

7. "The future belongs to those who believe in the beauty of their dreams." - Eleanor Roosevelt

6. "There is only one thing that makes a dream impossible to achieve: the fear of failure." - Paulo Coelho

5. "Dreams are the touchstones of our characters." - Henry David Thoreau

4. "If you can dream it, you can do it. Always remember that this whole thing was started with a dream and a mouse." - Walt Disney

3. "I don't dream at night, I dream all day; I dream for a living." - Steven Spielberg

2. "The biggest adventure you can ever take is to live the life of your dreams." - Oprah Winfrey

1. "20 years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." - Mark Twain